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drm: move the fb bpp/depth helper into the core.

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This is used by nearly everyone including vmwgfx which doesn't generally
use the fb helper.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie
2011-11-29 20:02:54 +00:00
parent 435ddd926e
commit 248dbc2350
8 changed files with 49 additions and 48 deletions
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43
drivers/gpu/drm/drm_crtc_helper.c
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@@ -811,54 +811,13 @@ void drm_helper_connector_dpms(struct drm_connector *connector, int mode)
}
EXPORT_SYMBOL(drm_helper_connector_dpms);
/*
* Just need to support RGB formats here for compat with code that doesn't
* use pixel formats directly yet.
*/
void drm_helper_get_fb_bpp_depth(uint32_t format, unsigned int *depth,
int *bpp)
{
switch (format) {
case DRM_FOURCC_RGB332:
*depth = 8;
*bpp = 8;
break;
case DRM_FOURCC_RGB555:
*depth = 15;
*bpp = 16;
break;
case DRM_FOURCC_RGB565:
*depth = 16;
*bpp = 16;
break;
case DRM_FOURCC_RGB24:
*depth = 24;
*bpp = 32;
break;
case DRM_INTEL_RGB30:
*depth = 30;
*bpp = 32;
break;
case DRM_FOURCC_RGB32:
*depth = 32;
*bpp = 32;
break;
default:
DRM_DEBUG_KMS("unsupported pixel format\n");
*depth = 0;
*bpp = 0;
break;
}
}
EXPORT_SYMBOL(drm_helper_get_fb_bpp_depth);
int drm_helper_mode_fill_fb_struct(struct drm_framebuffer *fb,
struct drm_mode_fb_cmd2 *mode_cmd)
{
fb->width = mode_cmd->width;
fb->height = mode_cmd->height;
fb->pitch = mode_cmd->pitches[0];
drm_helper_get_fb_bpp_depth(mode_cmd->pixel_format, &fb->depth,
drm_fb_get_bpp_depth(mode_cmd->pixel_format, &fb->depth,
&fb->bits_per_pixel);
fb->pixel_format = mode_cmd->pixel_format;